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双折射材料的温度修正 Birefringent Material Temperature Modification fF!Yp iI" !4ocZmj\ 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: 6iry6wcHm w1FcB$ 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline =Pyj%4Rs {UX!go^J 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline $!-yr7 lne|5{h 3.Loop over the baseline material samples and determine the number of wavelength entries 6gU96Z XnH05LQ 4.Loop over each sampled wavelength entry in the baseline material \,'m</o~, =ke2;}X a.Modify the ordinary and extraordinary refractive index values using (2) above m;$b'pT D5gFXEeh b.Apply the modified values to the non-baseline material #z' k`cfG\;r 5.Set a description on the non-baseline material indicating the temperature change from baseline H-!,yte +i6GHBn~J 脚本编程及GUI例程请下载链接: +X\FBvP& ,X?{07gH http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs ?=u\n;w) {Ea
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j http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd [DYQ"A=)d mn'A9er `{gHA+B QQ:2987619807 !K#qe Y}
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